TCA_IFE_DMAC
[TCA_IFE_DMAC] = { .len = ETH_ALEN},
if (tb[TCA_IFE_DMAC])
daddr = nla_data(tb[TCA_IFE_DMAC]);
if (nla_put(skb, TCA_IFE_DMAC, ETH_ALEN, p->eth_dst))